Microbiology Lab Quiz
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Quiz for microbiology JCC campus
- 1.Turbidity is what?
- A.
Bacteria settle at the bottom
- B.
Bacteria move in a fast manor
- C.
Cloudiness
- D.
Bacteria grows up the side of glass
- 2.Sedimentation is what?
- A.
Turbidity
- B.
Bacteria settle on the bottom
- C.
Bacteria grow on surface
- D.
Bacteria suspended throughout entire broth
- 3.What is pellicle?
- A.
Scum layer where bacteria grows on surface
- B.
Bacteria growing up the side of the glass
- C.
Bacteria suspended throughout the entire broth
- D.
Cloudiness
- 4.What is a ring describing bacteria?
- A.
Coudiness
- B.
Bacteria suspended throughout the entire broth
- C.
Bacteria settles at the bottom
- D.
Bacteria grows up the side of the glass
- 5.What does Ubiquitous mean?
- A.
Bacteria is no where
- B.
Bacteria is everywhere
- C.
Bacteria grows with food
- D.
Bacteria grows on certain time frames
- 6.Arrangements: strepto
- A.
Chaining
- B.
Clusters
- C.
Group of 4
- D.
Palisade
- 7.Arrangements: Staphylo
- A.
Chaining
- B.
Clusters
- C.
Group of 4
- D.
Next to each other
- 8.Arrangements: Tetrad/Sarcinae
- A.
Singly
- B.
Chaining
- C.
Clusters
- D.
Group of 4
- 9.Arrangements: Palisade
- A.
Chaining
- B.
Clusters
- C.
Next to each other
- D.
Group of 4
- 10.What color is Gram Negative stain?
- A.
Purple
- B.
Pink/red
- C.
Green
- D.
Blue
- 11.Effects of temperature: Psychrophile
- A.
Likes colder environments
- B.
Grows in heat
- C.
Likes our body temp
- D.
Likes Georgia
- 12.Effects of temperature: Mesophile
- A.
Likes the desert
- B.
Likes hot temperatures
- C.
Likes cold temperature
- D.
Likes our body temp
- 13.Effects of Temperature: Thermophile
- A.
Likes hotter Temperatures
- B.
Likes colder Temperatures
- C.
Likes our body temperatures
- D.
Likes the tv
- 14.Pasturization
- A.
Kills all bacteria
- B.
Kills microbes
- C.
Only enough to kill the bad bugs
- D.
Kills everything and everyone
- 15.Sterilization
- A.
Kills all bacteria
- B.
Kills some bacteria
- C.
Kills you
- D.
Kills nothing
- 16.Why does different color dyes spread differently
- A.
Molecular weight and solubility
- B.
One color is stronger than the other
- C.
One color is brighter
- D.
They both spread the same
- 17.What is aero-tolerent
- A.
Bacteria that can grow with oxygen or without
- B.
Bacteria that grows with oxygen
- C.
Bacteria that grows without oxygen
- D.
Bacteria that eats constantly
- 18.What is Facultative Anaerobic bacteria?
- A.
Means bacteria prefers oxygen but "in a pinch" can grow without oxygen
- B.
Means bacteria can grow without oxygen
- C.
Means bacteria can grow with oxygen
- D.
Means bacteria doesn't like like anything
- 19.Low selective toxitity
- A.
Kills bacteria not good human cells
- B.
Kills all bacteria
- C.
Kills no bacteria
- D.
Kills all cells good and bad
- 20.Denature Proteins
- A.
Starves bacteria
- B.
Disruption n possible destruction of both secondary and tertiary structures
- C.
Disrupting many things of bacteria including ribosomes
- D.
Disrupting many good and bad cells
- 21.Oligodynamic
- A.
Chemical agent that stops bacteria from reproducing
- B.
Kills some bacteria and not others
- C.
Action to which a metal affects something
- D.
Kills all bacteria
- 22.Bacteriostatic
- A.
All bacteria has a low degree to which the substance can damage an organism
- B.
Place around the substance where there is no growth
- C.
Substance that kills bacteria but nothing else
- D.
Biological or chemical agent that stops bacteria from reproducing
- 23.Brownian Motion, entire thing must be true
- A.
Particles in suspension due to H20
- B.
Particles suspended in H20 and are shaking due to water movement
- C.
Particles that move from one side of the slide to the other
- D.
Particles Moving in different directions
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